数据结构与算法基础-学习-37-平衡二叉树(Avl树)之删除节点

目录

一、知识点回顾

1、二叉搜索树(BST)

2、平衡二叉树(Avl树)之查找

二、环境信息

三、实现思路

1、示例图

2、查询

3、删除

(1)叶子节点(无子树节点)

(2)有一棵子树节点

(3)有两棵子树节点

4、调整

 (1)叶子节点(无子树节点)

(2)有一棵子树节点

(3)有两棵子树节点

四、代码分享

1、AvlTreeDelOne

2、AvlTreeCheck

3、AvlTreeCheckAll

五、虚机测试验证

1、编译

2、测试代码

3、运行结果


一、知识点回顾

1、二叉搜索树(BST)

链接:数据结构与算法基础-学习-15-二叉树之前序、后序、中序遍历的递归和非递归方法实现以及BST的初始化、插入、获取结点数

2、平衡二叉树(Avl树)之查找

链接:数据结构与算法基础-学习-21-查找之平衡二叉树(AVL树)

二、环境信息

名称
CPU Intel(R) Core(TM) i5-1035G1 CPU @ 1.00GHz
操作系统 CentOS Linux release 7.9.2009 (Core)
内存 4G
逻辑核数 4
gcc版本 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC)
cmake版本 2.8.12.2

三、实现思路

1、示例图

2337c439b1374a1bac93c3aff27372fb.png

2、查询

我们先找到需要删除的节点,Avl树本质还是一棵二叉搜索树,左子树小于本节点的键值,右子树大于本节点的键值,查找到的键值是否等于本节点的键值,等于找到删除节点,没有找到需比较大小,比本节点小需到左子树搜索,大需到右子树搜索,如果搜索的节点指针为空,说明此树中不存在需删除的节点。

从根节点到删除节点访问过的节点,本文称为访问路径,我们都需要记录下来,和添加节点时一样,后续需要用到。

3、删除

删除节点需要分情况讨论分别为:

(1)叶子节点(无子树节点)

2337c439b1374a1bac93c3aff27372fb.png

直接删除,将父节点链接此节点的手置空。例如:我们删除80节点,

访问路径为40、53、70。我们再回溯(70,53,40),进行平衡因子的改变,如果有不平衡点,就可以用下一节的调整方法。

48b5bef603194b9b9429e1be364942d1.png

(2)有一棵子树节点

2337c439b1374a1bac93c3aff27372fb.png

将父节点链接删除节点的手断开,链接到删除节点的子树上,然后删除待删除节点,就可以来到下一个调整阶段了。例如我们这边删除20节点。

0f3eab6883e946a491e747abf10cfea2.png

(3)有两棵子树节点

2337c439b1374a1bac93c3aff27372fb.png

讲解之前我们需要先说两个名词:前驱节点和后继节点。其实和数组中是一样的。我们用中序遍历拿到此树的一个升序结果,,例如我们删除40节点,图示如下:

a28782a50a324ea3b3b10b1d33b0c77b.png

这颗树右子树偏高,我们需要将右子树高度降低,来减少平衡调整次数,所以找后继节点49,将其替换40节点。寻找后继过程中访问的节点也需要加入到访问路径中,图示如下:

2579c0902cbf406aaf10e75fc9839b4a.png

4、调整

回溯访问路径中的节点,计算平衡因子,如果出现不平衡,还是用之前添加节点时用到LL、LR、RR、RL四种来进行调整,如果有不懂得可以看《一、知识点回顾》->《2、平衡二叉树(Avl树)之查找》。实现这一块的代码基本没有变化和之前,并不区分是否是叶子节点、有一棵子树节点、有两棵子树节点,我这边只是举例为了大家能更好的理解,和上面还是一一对应的。

 (1)叶子节点(无子树节点)

48b5bef603194b9b9429e1be364942d1.png

80节点被删除,访问路径按照栈的思路后进先出。

键值 平衡因子 备注
70 0 删除的是右子树节点,平衡因子加一。
53 0 删除的是右子树节点,平衡因子加一。
40 0 删除的是右子树节点,平衡因子加一。

d7c86434740c40b580e357220b3c4402.png

代码测试验证:

[gbase@czg2 Exec]$  perf stat -e page-faults ./TestAvl
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeInit        : OK.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeAdd         : OK, Key : 40, Root Node Key.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeAdd         : OK, Key : 20.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeAdd         : OK, Key : 53, No Rotation.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeAdd         : OK, Key : 18.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeAdd         : OK, Key : 49.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeAdd         : OK, Key : 70, No Rotation.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeAdd         : OK, Key : 80.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreePrint       :
Root               : 0x1dd7560
TotalNodeNumsU     : 7
TotalNodeNums      : 7
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x1dd75a0  (nil)      (nil)     
20       (nil)      1             1        0x1dd7450  0x1dd75a0  (nil)     
40       (nil)      -1            1        0x1dd7560  0x1dd7450  0x1dd7490 
49       (nil)      0             1        0x1dd75e0  (nil)      (nil)     
53       (nil)      -1            1        0x1dd7490  0x1dd75e0  0x1dd7620 
70       (nil)      -1            1        0x1dd7620  (nil)      0x1dd7660 
80       (nil)      0             1        0x1dd7660  (nil)      (nil)     
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeDelOne      : OK, Key : 80.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreePrint       :
Root               : 0x1dd7560
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x1dd75a0  (nil)      (nil)     
20       (nil)      1             1        0x1dd7450  0x1dd75a0  (nil)     
40       (nil)      0             1        0x1dd7560  0x1dd7450  0x1dd7490 
49       (nil)      0             1        0x1dd75e0  (nil)      (nil)     
53       (nil)      0             1        0x1dd7490  0x1dd75e0  0x1dd7620 
70       (nil)      0             1        0x1dd7620  (nil)      (nil)     
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeClear       : OK.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeClear       : OK.
2024-06-12 15:57:51-P[129455]-T[129455]-[Debug]-AvlTreeDestroy     : OK.

 Performance counter stats for './TestAvl':

               199      page-faults:u                                               

       0.001484309 seconds time elapsed

       0.000000000 seconds user
       0.001503000 seconds sys

(2)有一棵子树节点

0f3eab6883e946a491e747abf10cfea2.png

我们这边删除20节点。

键值 平衡因子 备注
40 -2 删除的是左子树节点,平衡因子减一。

19019b7eef07466588afe19456eba620.png

不平衡点40的右子树高,我们往右子树探测发现53节点,也是右子树高,这时就可以用RR旋转来进行调整。

fd74d0cbccb24a948efa8ab438c2ae40.png

代码测试验证:

[gbase@czg2 Exec]$  perf stat -e page-faults ./TestAvl
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeInit        : OK.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeAdd         : OK, Key : 40, Root Node Key.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeAdd         : OK, Key : 20.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeAdd         : OK, Key : 53, No Rotation.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeAdd         : OK, Key : 18.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeAdd         : OK, Key : 49.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeAdd         : OK, Key : 70, No Rotation.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeAdd         : OK, Key : 80.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreePrint       :
Root               : 0x2607560
TotalNodeNumsU     : 7
TotalNodeNums      : 7
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x26075a0  (nil)      (nil)     
20       (nil)      1             1        0x2607450  0x26075a0  (nil)     
40       (nil)      -1            1        0x2607560  0x2607450  0x2607490 
49       (nil)      0             1        0x26075e0  (nil)      (nil)     
53       (nil)      -1            1        0x2607490  0x26075e0  0x2607620 
70       (nil)      -1            1        0x2607620  (nil)      0x2607660 
80       (nil)      0             1        0x2607660  (nil)      (nil)     
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeRotation    : OK, RR.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeDelOne      : OK, Key : 20.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreePrint       :
Root               : 0x2607490
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x26075a0  (nil)      (nil)     
40       (nil)      0             1        0x2607560  0x26075a0  0x26075e0 
49       (nil)      0             1        0x26075e0  (nil)      (nil)     
53       (nil)      0             1        0x2607490  0x2607560  0x2607620 
70       (nil)      -1            1        0x2607620  (nil)      0x2607660 
80       (nil)      0             1        0x2607660  (nil)      (nil)     
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:01:40-P[130201]-T[130201]-[Debug]-AvlTreeDestroy     : OK.

 Performance counter stats for './TestAvl':

               199      page-faults:u                                               

       0.002460665 seconds time elapsed

       0.000000000 seconds user
       0.002521000 seconds sys

(3)有两棵子树节点

2579c0902cbf406aaf10e75fc9839b4a.png

我们之前删除的是40,删除后如上:

键值 平衡因子 备注
53 -2 删除的是左子树节点,平衡因子减一。
49 还没访问到。

不平衡点53的右子树高,我们往右子树探测发现70节点,也是右子树高,这时就可以用RR旋转来进行调整。

键值 平衡因子 备注
49 0 删除的是右子树节点,平衡因子加一。

7bae84490f214cc28118667b7cd3ae41.png

代码测试验证:

[gbase@czg2 Exec]$  perf stat -e page-faults ./TestAvl
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeInit        : OK.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeAdd         : OK, Key : 40, Root Node Key.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeAdd         : OK, Key : 20.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeAdd         : OK, Key : 53, No Rotation.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeAdd         : OK, Key : 18.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeAdd         : OK, Key : 49.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeAdd         : OK, Key : 70, No Rotation.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeAdd         : OK, Key : 80.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreePrint       :
Root               : 0xa61560
TotalNodeNumsU     : 7
TotalNodeNums      : 7
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0xa615a0   (nil)      (nil)     
20       (nil)      1             1        0xa61450   0xa615a0   (nil)     
40       (nil)      -1            1        0xa61560   0xa61450   0xa61490  
49       (nil)      0             1        0xa615e0   (nil)      (nil)     
53       (nil)      -1            1        0xa61490   0xa615e0   0xa61620  
70       (nil)      -1            1        0xa61620   (nil)      0xa61660  
80       (nil)      0             1        0xa61660   (nil)      (nil)     
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeChgTail     : OK.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeRotation    : OK, RR.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeDelOne      : OK, Key : 40.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreePrint       :
Root               : 0xa615e0
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0xa615a0   (nil)      (nil)     
20       (nil)      1             1        0xa61450   0xa615a0   (nil)     
49       (nil)      0             1        0xa615e0   0xa61450   0xa61620  
53       (nil)      0             1        0xa61490   (nil)      (nil)     
70       (nil)      0             1        0xa61620   0xa61490   0xa61660  
80       (nil)      0             1        0xa61660   (nil)      (nil)     
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:12:59-P[1502]-T[1502]-[Debug]-AvlTreeDestroy     : OK.

 Performance counter stats for './TestAvl':

               199      page-faults:u                                               

       0.001306663 seconds time elapsed

       0.000000000 seconds user
       0.001275000 seconds sys

四、代码分享

1、AvlTreeDelOne

/*
描述:
1.删除平衡二叉树节点。

参数:
1.St               : 平衡二叉树节点。
2.Key              : 删除的键值。

返回值:
1.SUCCESS_FLAG     : 成功。
2.FAIL_FLAG        : 失败。

注意点:
无。

*/
Status AvlTreeDelOne(AvlTreeSt *St, Avl2LongT Key)
{
    JUDGE_NULL_PTR(St);

    //清理访问路径
    St->AccessPath.ArrayLen = 0;

    AvlNodeSt *DelNode = St->Root;

    //查找删除节点
    while(DelNode != NULL)
    {
        if (DelNode->Data.Key == Key)
        {
            break;
        }
        else if(DelNode->Data.Key > Key)
        {
            AvlAccessPathPush(&(St->AccessPath), DelNode, AVL_LEFT_DIRECTION);
            DelNode = DelNode->LeftNode;
        }
        else
        {
            AvlAccessPathPush(&(St->AccessPath), DelNode, AVL_RIGHT_DIRECTION);
            DelNode = DelNode->RightNode;
        }
    }

    if (DelNode == NULL)//说明没有找到节点
    {
        LogFormat(Error,"AvlTreeDelOne      : Fail, Key : %lld, No Data.\n",Key);
        return FAIL_FLAG;
    }
    
    St->TotalNodeNumsU--;
    St->TotalNodeNums = St->TotalNodeNums - DelNode->Cnt;

    AvlApSt *AvlApNode = NULL;
    AvlIntT i          = St->AccessPath.ArrayLen;//先作为原始访问路径长度。

    //找到删除节点,且删除节点没有压入访问路径。
    //开始删除节点,分情况讨论。
    //删除的是叶子节点。
    if ((DelNode->LeftNode == NULL) && (DelNode->RightNode == NULL))
    {
        AvlNodeDestroy(&DelNode);

        //判断是不是拿到了根节点。
        if (St->AccessPath.ArrayLen == 0)//访问路径为0,说明删除的是根节点。
        {
            St->Root = NULL;
            goto SUCCESS_STAGE;
        }
        
        //拿到访问路径的最后一个节点。
        AvlApNode = &(St->AccessPath.Array[St->AccessPath.ArrayLen - 1]);

        //将删除节点的指针置空。
        (AvlApNode->Direction == AVL_LEFT_DIRECTION)?(AvlApNode->Node->LeftNode = NULL):(AvlApNode->Node->RightNode = NULL);
    }
    else if ((DelNode->LeftNode == NULL) || (DelNode->RightNode == NULL))//删除节点有一个叶子节点的情况
    {
        //拿到访问路径的最后一个节点。
        AvlApNode = &(St->AccessPath.Array[St->AccessPath.ArrayLen - 1]);

        //将父节点的手联想删除节点的叶子节点。
        switch (AvlApNode->Direction)
        {
        case AVL_LEFT_DIRECTION:
            (DelNode->LeftNode == NULL)?(AvlApNode->Node->LeftNode  = DelNode->RightNode):(AvlApNode->Node->LeftNode  = DelNode->LeftNode);
            break;
        case AVL_RIGHT_DIRECTION:
            (DelNode->LeftNode == NULL)?(AvlApNode->Node->RightNode = DelNode->RightNode):(AvlApNode->Node->RightNode = DelNode->LeftNode);
            break;        
        default:
            LogFormat(Error,"AvlTreeDelOne      : Fail, Key : %lld, Error Direction.\n",Key);
            return FAIL_FLAG;
        }

        AvlNodeDestroy(&DelNode);
    }
    else//删除节点有左右子树。
    {
        //我们需要将AVL树扁平化,根据平衡因子来觉得找的是前驱还是后继。
        if(DelNode->BalanceFactor == 1 || DelNode->BalanceFactor == 0)//1、0,左子树高,找前驱。
        {
            //DelNode这边开始作为一个可复用对象。
            DelNode = AvlTreeChgPre(DelNode, St);
        }
        else if (DelNode->BalanceFactor == -1)
        {
            //DelNode这边开始作为一个可复用对象。
            DelNode = AvlTreeChgTail(DelNode, St);
        }
        else//异常,给的AVL树本就不平衡。
        {
            LogFormat(Error,"AvlTreeDelOne      : Fail, Key : %lld, The Avl tree is unbalanced.\n",Key);
            return FAIL_FLAG;
        }

        if (St->AccessPath.ArrayLen == 0)//删除的是根节点,且平衡
        {
            goto SUCCESS_STAGE;
        }

        //如果访问路径长度变化了,下面这段优化效率代码就不适用。
        if (i != St->AccessPath.ArrayLen)
        {
           goto BALANCE_STAGE;
        }

        //如果新的删除节点也就是替换节点的平衡因子为1或-1,说明是由0变化到这两个值的。
        //对于新删除节点的父节点,这棵子树的高度是没有变的,所以不需要调整。
        switch (DelNode->BalanceFactor)
        {
        case 1:
            goto SUCCESS_STAGE;
        case -1:
            goto SUCCESS_STAGE;
        default://这里也就是0的情况,说明父节点的这棵子树高度有变化,需要走平衡阶段。
            break;
        }
    }

BALANCE_STAGE:
    //前提条件:访问路径最后一个节点的左右子树需要是平衡的,需要注意。
    //平衡调整阶段。
    //DelNode这边开始作为一个可复用对象。
    for ( i = St->AccessPath.ArrayLen - 1; i >= 0; i--)
    {
        AvlApNode = &(St->AccessPath.Array[i]);
        AVL_DEL_BALANCE_FACTOR_CHANGE(AvlApNode);
        switch (AvlApNode->Node->BalanceFactor)
        {
        case 0:
            break;
        case 1:
            //平衡因子是左子树高度减去右子树高度,在删除节点的情况下,是0到1的情况,0说明左右子树是平衡的,
            //现在右子树删除一个节点,所以变为1,对此节点的父节点,此子树的高度是不变的,所以不需要再平衡
            //访问路径的其他节点。
            goto SUCCESS_STAGE;
        case -1:
            goto SUCCESS_STAGE;        
        default:
            //不平衡
            St->AccessPath.ArrayLen = i + 1;//截断到访问路径中不平衡节点,为了后续插入数据。
            //根据左右子树高度,来判断如何旋转,演化成LL,RR,LR,RL。
            //例如不平衡点的平衡因子是2,说明左子树高,L,
            //到左子树后查看平衡因子是1,说明左子树高,L,加起来就是LL旋转。
            switch (AvlApNode->Node->BalanceFactor)
            {
            case 2:
                AvlApNode->Direction = AVL_LEFT_DIRECTION;
                DelNode = AvlApNode->Node->LeftNode;
                break;
            case -2:
                AvlApNode->Direction = AVL_RIGHT_DIRECTION;
                DelNode = AvlApNode->Node->RightNode;
                break;       
            default:
                LogFormat(Error,"AvlTreeDelOne      : Fail, Key : %lld, Balance Rotation Stage 1.\n",Key);
                return FAIL_FLAG;
            }
            if (DelNode->BalanceFactor == 1 || DelNode->BalanceFactor == 0)
            {
                AvlAccessPathPush(&(St->AccessPath), DelNode, AVL_LEFT_DIRECTION);
                DelNode = DelNode->LeftNode;
            }
            else if(DelNode->BalanceFactor == -1)
            {
                AvlAccessPathPush(&(St->AccessPath), DelNode, AVL_RIGHT_DIRECTION);
                DelNode = DelNode->RightNode;
            }
            else
            {
                LogFormat(Error,"AvlTreeDelOne      : Fail, Key : %lld, Balance Rotation Stage 2.\n",Key);
                return FAIL_FLAG;
            }
            AvlAccessPathPush(&(St->AccessPath), DelNode, AVL_RIGHT_DIRECTION);//这个方向无所谓。
            AvlTreeRotation(St, i);
            break;
        }
    }

SUCCESS_STAGE:
    LogFormat(Debug,"AvlTreeDelOne      : OK, Key : %lld.\n",Key);
    return SUCCESS_FLAG;
}

2、AvlTreeCheck

/*
描述:
1.平衡二叉树检查平衡因子和是否升序,使用中序遍历。

参数:
1.Node             : 平衡二叉树节点。
2.PreKey           : 上一个键值,初始值必须是AVL_KEY_MIN_VAL。
3.CntU             : 唯一节点数。初始值必须是0。
4.Cnt              : 总节点数。初始值必须是0。

返回值:
无。

注意点:
效率不高,因为每个节点的平衡因子需要重新计算。
*/
Status AvlTreeCheck(AvlNodeSt *Node, Avl2LongT *PreKey, AvlUllT *CntU, AvlUllT *Cnt)
{
    if(Node == NULL)
    {
        return SUCCESS_FLAG;
    }

    if(AvlTreeCheck(Node->LeftNode,PreKey,CntU,Cnt) == FAIL_FLAG)
    {
        return FAIL_FLAG;
    }

    AvlIntT  DepthL        = AvlTreeDepth(Node->LeftNode);
    AvlIntT  DepthR        = AvlTreeDepth(Node->RightNode);
    AvlIntT  BalanceFactor = DepthL - DepthR;

    //判断平衡因子计算是否正确。
    if (BalanceFactor != Node->BalanceFactor)
    {
        LogFormat(Error,"AvlTreeCheck       : Fail, Key : %lld, BalanceFactor : %d, Correct BalanceFactor : %d.\n",Node->Data.Key,Node->BalanceFactor,BalanceFactor);
        return FAIL_FLAG;
    }

    //判断平衡因子计算是否平衡。
    if (AVL_JUDGE_BALANCE_FACTOR(Node->BalanceFactor))
    {
        LogFormat(Error,"AvlTreeCheck       : Fail, Key : %lld, BalanceFactor : %d.\n",Node->Data.Key,BalanceFactor);
        return FAIL_FLAG;
    }

    //中序遍历是否升序。
    if (Node->Data.Key >= (*PreKey))
    {
        *PreKey = Node->Data.Key;
    }
    else
    {
        LogFormat(Error,"AvlTreeCheck       : Fail, Key : %lld, PreKey : %lld, Wrong order.\n",Node->Data.Key,*PreKey);
        return FAIL_FLAG; 
    }

    (*CntU)++;
    (*Cnt) += Node->Cnt;

    if(AvlTreeCheck(Node->RightNode,PreKey,CntU,Cnt) == FAIL_FLAG)
    {
        return FAIL_FLAG;
    }

    return SUCCESS_FLAG;
}

3、AvlTreeCheckAll

这个函数还是非常YYDS的,这样就不用去肉眼看AVL是否是正确的,解放了。

/*
描述:
1.平衡二叉树检查平衡因子和是否升序。

参数:
1.St               : 平衡二叉树。

返回值:
无。

注意点:
效率不高,因为每个节点的平衡因子需要重新计算。
*/
Status AvlTreeCheckAll(AvlTreeSt *St)
{
    JUDGE_NULL_PTR(St);

    Avl2LongT PreKey = AVL_KEY_MIN_VAL;
    AvlUllT   CntU   = 0;
    AvlUllT   Cnt    = 0;

    if(AvlTreeCheck(St->Root,&PreKey,&CntU,&Cnt) == FAIL_FLAG)
    {
        Log("AvlTreeCheckAll    : Fail.\n",Error);
        return FAIL_FLAG;
    }
    if(St->TotalNodeNums != Cnt)
    {
        LogFormat(Error,"AvlTreeCheckAll    : Fail, TotalNodeNums : %lld, Cnt : %lld.\n",
                  St->TotalNodeNums,Cnt);
        return FAIL_FLAG;
    }
    if(St->TotalNodeNumsU != CntU)
    {
        LogFormat(Error,"AvlTreeCheckAll    : Fail, TotalNodeNumsU : %lld, CntU : %lld.\n",
                  St->TotalNodeNumsU,CntU);
        return FAIL_FLAG;
    }
    Log("AvlTreeCheckAll    : OK.\n",Debug);
    return SUCCESS_FLAG;
}

五、虚机测试验证

1、编译

[gbase@czg2 Build]$ rm -rf ../Build/* && cmake ..
-- The C compiler identification is GNU 4.8.5
-- The CXX compiler identification is GNU 4.8.5
-- Check for working C compiler: /bin/cc
-- Check for working C compiler: /bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /bin/c++
-- Check for working CXX compiler: /bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Configuring done
-- Generating done
-- Build files have been written to: /opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Cmake/Build
[gbase@czg2 Build]$ make clean && make
Scanning dependencies of target DataConvertion
[  4%] Building C object Libs/CMakeFiles/DataConvertion.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/DataConvertion/Src/DataConvertion.c.o
Linking C shared library ../../Libs/libDataConvertion.so
[  4%] Built target DataConvertion
Scanning dependencies of target FileOperate
[  9%] Building C object Libs/CMakeFiles/FileOperate.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/FileOperate/Src/FileOperate.c.o
Linking C shared library ../../Libs/libFileOperate.so
[  9%] Built target FileOperate
Scanning dependencies of target Gbase8aDb
[ 13%] Building C object Libs/CMakeFiles/Gbase8aDb.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Gbase8aDb/Src/Gbase8aDb.c.o
Linking C shared library ../../Libs/libGbase8aDb.so
[ 13%] Built target Gbase8aDb
Scanning dependencies of target HashTable
[ 18%] Building C object Libs/CMakeFiles/HashTable.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/HashTable/Src/MyHashTable.c.o
Linking C shared library ../../Libs/libHashTable.so
[ 18%] Built target HashTable
Scanning dependencies of target LinkList
[ 22%] Building C object Libs/CMakeFiles/LinkList.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/LinkList/Src/DuLinkList.c.o
Linking C shared library ../../Libs/libLinkList.so
[ 22%] Built target LinkList
Scanning dependencies of target Log
[ 27%] Building C object Libs/CMakeFiles/Log.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Log/Src/Log.c.o
Linking C shared library ../../Libs/libLog.so
[ 27%] Built target Log
Scanning dependencies of target MyPool
[ 31%] Building C object Libs/CMakeFiles/MyPool.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/MyPool/Src/ThreadPool.c.o
Linking C shared library ../../Libs/libMyPool.so
[ 31%] Built target MyPool
Scanning dependencies of target MyString
[ 36%] Building C object Libs/CMakeFiles/MyString.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/MyString/Src/KmpSearch.c.o
Linking C shared library ../../Libs/libMyString.so
[ 36%] Built target MyString
Scanning dependencies of target Process
[ 40%] Building C object Libs/CMakeFiles/Process.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Process/Src/MyPipe.c.o
[ 45%] Building C object Libs/CMakeFiles/Process.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Process/Src/MyXsiIpc.c.o
[ 50%] Building C object Libs/CMakeFiles/Process.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Process/Src/Process.c.o
Linking C shared library ../../Libs/libProcess.so
[ 50%] Built target Process
Scanning dependencies of target Pthread
[ 54%] Building C object Libs/CMakeFiles/Pthread.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Pthread/Src/MyThread.c.o
Linking C shared library ../../Libs/libPthread.so
[ 54%] Built target Pthread
Scanning dependencies of target Public
[ 59%] Building C object Libs/CMakeFiles/Public.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Public/Src/PublicFunction.c.o
Linking C shared library ../../Libs/libPublic.so
[ 59%] Built target Public
Scanning dependencies of target Socket
[ 63%] Building C object Libs/CMakeFiles/Socket.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Socket/Src/Socket.c.o
Linking C shared library ../../Libs/libSocket.so
[ 63%] Built target Socket
Scanning dependencies of target SqQueue
[ 68%] Building C object Libs/CMakeFiles/SqQueue.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/SqQueue/Src/SqQueue.c.o
Linking C shared library ../../Libs/libSqQueue.so
[ 68%] Built target SqQueue
Scanning dependencies of target SqStack
[ 72%] Building C object Libs/CMakeFiles/SqStack.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/SqStack/Src/SqStack.c.o
Linking C shared library ../../Libs/libSqStack.so
[ 72%] Built target SqStack
Scanning dependencies of target Tree
[ 77%] Building C object Libs/CMakeFiles/Tree.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Tree/Src/AvlTree.c.o
[ 81%] Building C object Libs/CMakeFiles/Tree.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Tree/Src/HaffmanTree.c.o
Linking C shared library ../../Libs/libTree.so
[ 81%] Built target Tree
Scanning dependencies of target G8aExecutor
[ 86%] Building C object Exec/CMakeFiles/G8aExecutor.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/HappySunshine/Src/G8aExecutor.c.o
Linking C executable /opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/HappySunshine/Exec/G8aExecutor
[ 86%] Built target G8aExecutor
Scanning dependencies of target HsManager
[ 90%] Building C object Exec/CMakeFiles/HsManager.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/HappySunshine/Src/HsManager.c.o
Linking C executable /opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/HappySunshine/Exec/HsManager
[ 90%] Built target HsManager
Scanning dependencies of target TestAvl
[ 95%] Building C object Exec/CMakeFiles/TestAvl.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Tree/TestSrc/TestAvl.c.o
Linking C executable /opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Tree/Exec/TestAvl
[ 95%] Built target TestAvl
Scanning dependencies of target TestHfm
[100%] Building C object Exec/CMakeFiles/TestHfm.dir/opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Tree/TestSrc/TestHfm.c.o
Linking C executable /opt/Developer/ComputerLanguageStudy/C/DataStructureTestSrc/PublicFunction/Tree/Exec/TestHfm
[100%] Built target TestHfm

2、测试代码

#include "AvlTree.h"

#define AVL_TEST_ELEMENT_NUMS 10000
#define AVL_TEST_GROUP_NUMS   6

//第一个是元素个数
Avl2LongT AvlData[AVL_TEST_GROUP_NUMS][AVL_TEST_ELEMENT_NUMS]  = {{6,40,24,53,28,70,60},
                                                                  {6,40,24,53,28,70,80},                                                                
                                                                  {6,40,24,70,28,53,80},
                                                                  {10,5,3,7,1,4,6,8,0,2,9},
                                                                  {10,99,40,24,53,28,70,80,100,101,1},
                                                                  {7,40,20,53,18,49,70,80}};

Status main()
{
    LOG_LEVEL = Debug;

    AvlTreeSt *AvlTree = NULL;
    Avl2LongT i;
    Avl2LongT j;
    AvlDataSt Data     = {0,NULL};
    AvlNodeSt *RetNode = NULL;

    AvlTreeInit(&AvlTree);

    for(i = 0; i < AVL_TEST_GROUP_NUMS; i++)
    {
        //插入测试
        for ( j = 1; j <= AvlData[i][0]; j++)
        {
            Data.Key = AvlData[i][j];
            AvlTreeAdd(AvlTree, &Data);
        }
        AvlTreePrint(AvlTree,Debug);

        //搜索测试
        AvlTreeSearch(AvlTree, AvlData[i][1], &RetNode);

        //删除测试
        //删除叶子节点测试。
        AvlTreeDelOne(AvlTree, AvlData[i][AvlData[i][0]]);
        if(AvlTreeCheckAll(AvlTree) != SUCCESS_FLAG)
        {
            return FAIL_FLAG;
        }
        AvlTreePrint(AvlTree,Debug);

        //删除只有一个儿子节点测试。可能是可能不是。
        AvlTreeDelOne(AvlTree, AvlData[i][2]);
        if(AvlTreeCheckAll(AvlTree) != SUCCESS_FLAG)
        {
            return FAIL_FLAG;
        }
        AvlTreePrint(AvlTree,Debug);

        AvlTreeDelOne(AvlTree, AvlData[i][3]);
        if(AvlTreeCheckAll(AvlTree) != SUCCESS_FLAG)
        {
            return FAIL_FLAG;
        }
        AvlTreePrint(AvlTree,Debug);

        //删除根节点
        AvlTreeDelOne(AvlTree, AvlData[i][1]);
        if(AvlTreeCheckAll(AvlTree) != SUCCESS_FLAG)
        {
            return FAIL_FLAG;
        }
        AvlTreePrint(AvlTree,Debug);

        AvlTreeClear(&AvlTree);
    }
    
    AvlTreeDestroy(&AvlTree);

    return SUCCESS_FLAG;
}

3、运行结果

[gbase@czg2 Exec]$  perf stat -e page-faults ./TestAvl
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeInit        : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 40, Root Node Key.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 53, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 28.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 70.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeRotation    : OK, RL.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 60.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352560
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x2352450  (nil)      0x23525a0 
28       (nil)      0             1        0x23525a0  (nil)      (nil)     
40       (nil)      0             1        0x2352560  0x2352450  0x2352620 
53       (nil)      0             1        0x2352490  (nil)      (nil)     
60       (nil)      0             1        0x2352620  0x2352490  0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 60.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352560
TotalNodeNumsU     : 5
TotalNodeNums      : 5
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x2352450  (nil)      0x23525a0 
28       (nil)      0             1        0x23525a0  (nil)      (nil)     
40       (nil)      0             1        0x2352560  0x2352450  0x2352490 
53       (nil)      -1            1        0x2352490  (nil)      0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352560
TotalNodeNumsU     : 4
TotalNodeNums      : 4
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x23525a0  (nil)      (nil)     
40       (nil)      -1            1        0x2352560  0x23525a0  0x2352490 
53       (nil)      -1            1        0x2352490  (nil)      0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 53.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352560
TotalNodeNumsU     : 3
TotalNodeNums      : 3
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x23525a0  (nil)      (nil)     
40       (nil)      0             1        0x2352560  0x23525a0  0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 40.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525a0
TotalNodeNumsU     : 2
TotalNodeNums      : 2
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      -1            1        0x23525a0  (nil)      0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 40, Root Node Key.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 53, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 28.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 70.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeRotation    : OK, RR.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 80.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525a0
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x2352560  (nil)      0x2352490 
28       (nil)      0             1        0x2352490  (nil)      (nil)     
40       (nil)      0             1        0x23525a0  0x2352560  0x23525e0 
53       (nil)      0             1        0x2352450  (nil)      (nil)     
70       (nil)      0             1        0x23525e0  0x2352450  0x2352620 
80       (nil)      0             1        0x2352620  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 80.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525a0
TotalNodeNumsU     : 5
TotalNodeNums      : 5
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x2352560  (nil)      0x2352490 
28       (nil)      0             1        0x2352490  (nil)      (nil)     
40       (nil)      0             1        0x23525a0  0x2352560  0x23525e0 
53       (nil)      0             1        0x2352450  (nil)      (nil)     
70       (nil)      1             1        0x23525e0  0x2352450  (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525a0
TotalNodeNumsU     : 4
TotalNodeNums      : 4
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x2352490  (nil)      (nil)     
40       (nil)      -1            1        0x23525a0  0x2352490  0x23525e0 
53       (nil)      0             1        0x2352450  (nil)      (nil)     
70       (nil)      1             1        0x23525e0  0x2352450  (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 53.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525a0
TotalNodeNumsU     : 3
TotalNodeNums      : 3
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x2352490  (nil)      (nil)     
40       (nil)      0             1        0x23525a0  0x2352490  0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 40.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352490
TotalNodeNumsU     : 2
TotalNodeNums      : 2
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      -1            1        0x2352490  (nil)      0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 40, Root Node Key.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 70, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 28.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 53.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 80, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525e0
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x2352560  (nil)      0x2352450 
28       (nil)      0             1        0x2352450  (nil)      (nil)     
40       (nil)      0             1        0x23525e0  0x2352560  0x23525a0 
53       (nil)      0             1        0x2352490  (nil)      (nil)     
70       (nil)      0             1        0x23525a0  0x2352490  0x2352620 
80       (nil)      0             1        0x2352620  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 80.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525e0
TotalNodeNumsU     : 5
TotalNodeNums      : 5
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x2352560  (nil)      0x2352450 
28       (nil)      0             1        0x2352450  (nil)      (nil)     
40       (nil)      0             1        0x23525e0  0x2352560  0x23525a0 
53       (nil)      0             1        0x2352490  (nil)      (nil)     
70       (nil)      1             1        0x23525a0  0x2352490  (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525e0
TotalNodeNumsU     : 4
TotalNodeNums      : 4
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x2352450  (nil)      (nil)     
40       (nil)      -1            1        0x23525e0  0x2352450  0x23525a0 
53       (nil)      0             1        0x2352490  (nil)      (nil)     
70       (nil)      1             1        0x23525a0  0x2352490  (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 70.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525e0
TotalNodeNumsU     : 3
TotalNodeNums      : 3
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x2352450  (nil)      (nil)     
40       (nil)      0             1        0x23525e0  0x2352450  0x2352490 
53       (nil)      0             1        0x2352490  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 40.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352450
TotalNodeNumsU     : 2
TotalNodeNums      : 2
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      -1            1        0x2352450  (nil)      0x2352490 
53       (nil)      0             1        0x2352490  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 5, Root Node Key.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 3.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 7, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 1.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 4, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 6.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 8, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 0.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 2, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 9.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352450
TotalNodeNumsU     : 10
TotalNodeNums      : 10
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
0        (nil)      0             1        0x23526a0  (nil)      (nil)     
1        (nil)      0             1        0x23525a0  0x23526a0  0x2352700 
2        (nil)      0             1        0x2352700  (nil)      (nil)     
3        (nil)      1             1        0x2352490  0x23525a0  0x23525e0 
4        (nil)      0             1        0x23525e0  (nil)      (nil)     
5        (nil)      0             1        0x2352450  0x2352490  0x2352560 
6        (nil)      0             1        0x2352620  (nil)      (nil)     
7        (nil)      -1            1        0x2352560  0x2352620  0x2352660 
8        (nil)      -1            1        0x2352660  (nil)      0x23528a0 
9        (nil)      0             1        0x23528a0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 9.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352450
TotalNodeNumsU     : 9
TotalNodeNums      : 9
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
0        (nil)      0             1        0x23526a0  (nil)      (nil)     
1        (nil)      0             1        0x23525a0  0x23526a0  0x2352700 
2        (nil)      0             1        0x2352700  (nil)      (nil)     
3        (nil)      1             1        0x2352490  0x23525a0  0x23525e0 
4        (nil)      0             1        0x23525e0  (nil)      (nil)     
5        (nil)      1             1        0x2352450  0x2352490  0x2352560 
6        (nil)      0             1        0x2352620  (nil)      (nil)     
7        (nil)      0             1        0x2352560  0x2352620  0x2352660 
8        (nil)      0             1        0x2352660  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 3.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352450
TotalNodeNumsU     : 8
TotalNodeNums      : 8
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
0        (nil)      0             1        0x23526a0  (nil)      (nil)     
1        (nil)      1             1        0x23525a0  0x23526a0  (nil)     
2        (nil)      1             1        0x2352700  0x23525a0  0x23525e0 
4        (nil)      0             1        0x23525e0  (nil)      (nil)     
5        (nil)      1             1        0x2352450  0x2352700  0x2352560 
6        (nil)      0             1        0x2352620  (nil)      (nil)     
7        (nil)      0             1        0x2352560  0x2352620  0x2352660 
8        (nil)      0             1        0x2352660  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 7.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352450
TotalNodeNumsU     : 7
TotalNodeNums      : 7
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
0        (nil)      0             1        0x23526a0  (nil)      (nil)     
1        (nil)      1             1        0x23525a0  0x23526a0  (nil)     
2        (nil)      1             1        0x2352700  0x23525a0  0x23525e0 
4        (nil)      0             1        0x23525e0  (nil)      (nil)     
5        (nil)      1             1        0x2352450  0x2352700  0x2352620 
6        (nil)      -1            1        0x2352620  (nil)      0x2352660 
8        (nil)      0             1        0x2352660  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeRotation    : OK, LL.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 5.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525e0
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
0        (nil)      0             1        0x23526a0  (nil)      (nil)     
1        (nil)      0             1        0x23525a0  0x23526a0  0x2352700 
2        (nil)      0             1        0x2352700  (nil)      (nil)     
4        (nil)      0             1        0x23525e0  0x23525a0  0x2352620 
6        (nil)      -1            1        0x2352620  (nil)      0x2352660 
8        (nil)      0             1        0x2352660  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 99, Root Node Key.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 40.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeRotation    : OK, LL.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 53.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 28.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeRotation    : OK, LR.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 70.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 80.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 100, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeRotation    : OK, RR.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 101.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 1, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352560
TotalNodeNumsU     : 10
TotalNodeNums      : 10
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
1        (nil)      0             1        0x23528a0  (nil)      (nil)     
24       (nil)      0             1        0x23525a0  0x23528a0  0x2352490 
28       (nil)      0             1        0x2352490  (nil)      (nil)     
40       (nil)      -1            1        0x2352560  0x23525a0  0x23525e0 
53       (nil)      0             1        0x2352450  (nil)      (nil)     
70       (nil)      0             1        0x2352620  0x2352450  0x2352660 
80       (nil)      0             1        0x2352660  (nil)      (nil)     
99       (nil)      0             1        0x23525e0  0x2352620  0x23526a0 
100      (nil)      -1            1        0x23526a0  (nil)      0x2352700 
101      (nil)      0             1        0x2352700  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 1.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352560
TotalNodeNumsU     : 9
TotalNodeNums      : 9
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x23525a0  (nil)      0x2352490 
28       (nil)      0             1        0x2352490  (nil)      (nil)     
40       (nil)      -1            1        0x2352560  0x23525a0  0x23525e0 
53       (nil)      0             1        0x2352450  (nil)      (nil)     
70       (nil)      0             1        0x2352620  0x2352450  0x2352660 
80       (nil)      0             1        0x2352660  (nil)      (nil)     
99       (nil)      0             1        0x23525e0  0x2352620  0x23526a0 
100      (nil)      -1            1        0x23526a0  (nil)      0x2352700 
101      (nil)      0             1        0x2352700  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgTail     : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 40.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352450
TotalNodeNumsU     : 8
TotalNodeNums      : 8
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
24       (nil)      -1            1        0x23525a0  (nil)      0x2352490 
28       (nil)      0             1        0x2352490  (nil)      (nil)     
53       (nil)      -1            1        0x2352450  0x23525a0  0x23525e0 
70       (nil)      -1            1        0x2352620  (nil)      0x2352660 
80       (nil)      0             1        0x2352660  (nil)      (nil)     
99       (nil)      0             1        0x23525e0  0x2352620  0x23526a0 
100      (nil)      -1            1        0x23526a0  (nil)      0x2352700 
101      (nil)      0             1        0x2352700  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeRotation    : OK, RL.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 24.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352620
TotalNodeNumsU     : 7
TotalNodeNums      : 7
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x2352490  (nil)      (nil)     
53       (nil)      1             1        0x2352450  0x2352490  (nil)     
70       (nil)      -1            1        0x2352620  0x2352450  0x23525e0 
80       (nil)      0             1        0x2352660  (nil)      (nil)     
99       (nil)      -1            1        0x23525e0  0x2352660  0x23526a0 
100      (nil)      -1            1        0x23526a0  (nil)      0x2352700 
101      (nil)      0             1        0x2352700  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgTail     : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 99.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352620
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
28       (nil)      0             1        0x2352490  (nil)      (nil)     
53       (nil)      1             1        0x2352450  0x2352490  (nil)     
70       (nil)      0             1        0x2352620  0x2352450  0x23526a0 
80       (nil)      0             1        0x2352660  (nil)      (nil)     
100      (nil)      0             1        0x23526a0  0x2352660  0x2352700 
101      (nil)      0             1        0x2352700  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 40, Root Node Key.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 20.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 53, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 18.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 49.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 70, No Rotation.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeAdd         : OK, Key : 80.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352620
TotalNodeNumsU     : 7
TotalNodeNums      : 7
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x2352560  (nil)      (nil)     
20       (nil)      1             1        0x2352450  0x2352560  (nil)     
40       (nil)      -1            1        0x2352620  0x2352450  0x2352490 
49       (nil)      0             1        0x23525a0  (nil)      (nil)     
53       (nil)      -1            1        0x2352490  0x23525a0  0x23525e0 
70       (nil)      -1            1        0x23525e0  (nil)      0x2352660 
80       (nil)      0             1        0x2352660  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeSearch      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 80.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352620
TotalNodeNumsU     : 6
TotalNodeNums      : 6
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x2352560  (nil)      (nil)     
20       (nil)      1             1        0x2352450  0x2352560  (nil)     
40       (nil)      0             1        0x2352620  0x2352450  0x2352490 
49       (nil)      0             1        0x23525a0  (nil)      (nil)     
53       (nil)      0             1        0x2352490  0x23525a0  0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 20.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352620
TotalNodeNumsU     : 5
TotalNodeNums      : 5
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x2352560  (nil)      (nil)     
40       (nil)      -1            1        0x2352620  0x2352560  0x2352490 
49       (nil)      0             1        0x23525a0  (nil)      (nil)     
53       (nil)      0             1        0x2352490  0x23525a0  0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgPre      : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 53.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x2352620
TotalNodeNumsU     : 4
TotalNodeNums      : 4
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x2352560  (nil)      (nil)     
40       (nil)      -1            1        0x2352620  0x2352560  0x23525a0 
49       (nil)      -1            1        0x23525a0  (nil)      0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeChgTail     : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDelOne      : OK, Key : 40.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeCheckAll    : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreePrint       :
Root               : 0x23525a0
TotalNodeNumsU     : 3
TotalNodeNums      : 3
Key      Ptr        BalanceFactor Cnt      CurNode    LeftNode   RightNode
18       (nil)      0             1        0x2352560  (nil)      (nil)     
49       (nil)      0             1        0x23525a0  0x2352560  0x23525e0 
70       (nil)      0             1        0x23525e0  (nil)      (nil)     
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeClear       : OK.
2024-06-12 16:31:59-P[4471]-T[4471]-[Debug]-AvlTreeDestroy     : OK.

 Performance counter stats for './TestAvl':

               204      page-faults:u                                               

       0.008749709 seconds time elapsed

       0.001660000 seconds user
       0.001660000 seconds sys

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